diff --git a/tools/extract_user.py b/tools/extract_user.py
index 17b4176..d01f6f0 100755
--- a/tools/extract_user.py
+++ b/tools/extract_user.py
@@ -1,5 +1,7 @@
 #!/usr/bin/env python3
 
+# RouterOS password decoder by BigNerd95
+
 import sys, hashlib
 
 def decrypt_password(user, pass_enc):